Shahid Mahmood, Izza Jahangir, Sidra Ghazanfar, Ayesha Khalid, Ghazia Qasmi, and Imrana Aslam, “SEROPREVALENCE OF SARS-CoV-2 SERUM IgG ANTIBODY IN ADULT POPULATION OF SIALKOT CITY, PAKISTAN: A CROSS- SECTIONAL STUDY”, J Allam Iqbal Med Coll Lahore, vol. 20, no. 2, Jan. 2023.